1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
for i in 1..10 i end for i in 1..10; i; end for i,j in 1..10 i end for i,j,k in 1..10 i end for i in 1..10 do i end for i in 1..10; i; end